Document and Entity Information Document Type Document Quarterly Report Document Period End Date Document Transition Report Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Country Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company Entity Common Stock, Shares Outstanding Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Entity Central Index Key Amendment Flag Condensed Interim Consolidated Balance Sheets Assets [Abstract] Assets Assets, Current [Abstract] Current assets Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and cash equivalents Accounts Receivable, after Allowance for Credit Loss, Current Accounts receivable Prepaid Expense, Current Deposits and prepaid amounts Assets, Current Total current assets Equity Method Investments Investment in Ambler Metals, Ending Investment in Ambler Metals, Beginning Investment in Ambler Metals LLC (note 3) Operating Lease, Right-of-Use Asset Right-of-use asset, Ending balance Right-of-use asset, Beginning balance Right of use asset (note 5(a)) Assets Total assets Total assets Liabilities [Abstract] Liabilities Liabilities, Current [Abstract] Current liabilities Accounts Payable and Accrued Liabilities, Current Accounts payable and accrued liabilities (note 4) Accounts payable and accrued liabilities Operating Lease, Liability, Current Less: current portion of lease liability Current portion of lease liability (note 5b) Derivative Liability, Current Derivative liability (note 2) Fair value of the derivative liability Liabilities, Current Total current liabilities Operating Lease, Liability, Noncurrent Long-term portion of lease liability (note 5(b)) Long-term portion of lease liability Liabilities Total liabilities Equity, Attributable to Parent [Abstract] Shareholders' equity Common Stock, Value, Issued Share capital (note 6) - unlimited common shares authorized, no par value issued - 172,745,639 (2025 - 171,069,888) Contributed surplus Contributed surplus Contributed surplus Additional Paid in Capital Contributed surplus - options (note 6(a)) Contributed surplus units Contributed surplus - units Contributed surplus - units (note 6(b)) Retained Earnings (Accumulated Deficit) Deficit Equity, Attributable to Parent Ending Balance Beginning Balance Total shareholders' equity Liabilities and Equity Total liabilities and shareholders' equity Common Stock, Shares Authorized, Unlimited [Fixed List] Unlimited common shares authorized Common Stock, No Par Value Common stock no par value Common Stock, Shares, Issued Common stock issued Condensed Interim Consolidated Statements of Loss and Comprehensive Loss Operating Expenses [Abstract] Expenses Exploration Expense Exploration expenses Gain (Loss), Foreign Currency Transaction, before Tax Foreign exchange loss/(gain) General and Administrative Expense General and administrative Business Development Investor relations Professional Fees Professional fees Salary and Wage, NonOfficer, Excluding Cost of Good and Service Sold Salaries Employee Benefit and Share-Based Payment Arrangement, Noncash Salaries and directors expense - stock-based compensation (note 6) Costs and Expenses Total expenses Nonoperating Income (Expense) [Abstract] Other items Interest and Other Income Interest and other income Income (Loss) from Equity Method Investments Loss on equity investment in Ambler Metals LLC Share of loss on equity investment (note 3(b)) Share of loss on equity investment Gain (Loss) on Derivative Instruments, Net, Pretax Loss on derivative carried at fair market value (note 7) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive loss Loss and comprehensive loss for the period Earnings Per Share, Basic Basic loss per common share Earnings Per Share, Diluted Diluted loss per common share Weighted Average Number of Shares Outstanding, Basic Basic weighted average number of common shares outstanding Weighted Average Number of Shares Outstanding, Diluted Diluted weighted average number of common shares outstanding Condensed Interim Consolidated Statements of Changes in Shareholders' Equity Statement [Table] Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Share capital n/a Contributed surplus. Contributed Surplus - Options Contributed surplus - options Contributed Surplus Units Contributed surplus - units. Retained Earnings [Member] Deficit Statement [Line Items] Shares, Outstanding Ending Balance (Shares) Beginning Balance (Shares) Stock Issued During Period, Value, Stock Options Exercised Exercise of options, Ascribed value Exercise of options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Number of options, Exercised Exercise of options, Number of shares Exercise of options (Shares) Stock Issued During Period, Value, New Issues Shares issued, net of share issue cost At-the-market offering, net of share issue costs, Ascribed value Stock Issued During Period, Shares, New Issues Shares issued, net of share issue cost (Shares) At-the-market offering, net of share issue costs, Number of shares Stock Issued During Period, Value, Restricted Stock Award, Gross Restricted share units Stock Issued During Period, Shares, Restricted Stock Award, Gross Shares issued from Restricted Share Units, Number of shares Restricted share units (Shares) Stock Issued During Period, Value, Issued for Services Services settled by common shares Stock Issued During Period, Shares, Issued for Services Services settled by common shares (Shares) Share-Based Payment Arrangement, Noncash Expense Stock-based compensation Stock-based compensation Loss for the period Condensed Interim Consolidated Statements of Cash Flows Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows used in operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to cash flows used in operating activities Restricted Stock or Unit Expense Consulting fees settled by common shares Represents the increase (decrease) in office lease payments. Office lease accounting Office lease accounting Amount of expense (income) related to adjustment to fair value of derivative liability. Fair Value Adjustment Of Derivatives Loss on derivative carried at fair market value Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Unrealized foreign exchange gain Share-Based Payment Arrangement, Expense Stock-based compensation Increase (Decrease) in Operating Capital [Abstract] Net change in non-cash working capital Increase (Decrease) in Accounts Receivable Decrease/(increase) in accounts receivable Increase (Decrease) in Prepaid Expense Decrease in deposits and prepaid amounts Increase (Decrease) in Accounts Payable and Accrued Liabilities (Decrease)/increase in accounts payable and accrued liabilities Net Cash Provided by (Used in) Operating Activities Total cash flows used in operating activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities Sale of Stock, Consideration Received on Transaction Net proceeds Proceeds from issuance of common shares, net of share issue costs Proceeds from Stock Options Exercised Proceeds from exercise of options Net Cash Provided by (Used in) Financing Activities Total cash flows from financing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities Payments to Acquire Equity Method Investments Contribution to Ambler Metals LLC Net Cash Provided by (Used in) Investing Activities Total cash used in investing activities Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Change in cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations Effect of exchange rate on cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Cash - end of the period Cash - beginning of the period Nature of operations and basis of presentation Nature of Operations [Text Block] Nature of operations and basis of presentation Summary of significant accounting policies Significant Accounting Policies [Text Block] Summary of significant accounting policies Investment in Ambler Metals LLC Equity Method Investments and Joint Ventures Disclosure [Text Block] Investment in Ambler Metals LLC Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities Disclosure [Text Block] Accounts payable and accrued liabilities Leases Lessee, Operating Leases [Text Block] Leases Share capital Equity [Text Block] Share capital Fair value accounting Fair Value Disclosures [Text Block] Fair value accounting Commitment Commitments Disclosure [Text Block] Commitment Supplemental cash flow information Cash Flow, Supplemental Disclosures [Text Block] Supplemental cash flow information Segment Information Segment Reporting Disclosure [Text Block] Segment Information Equity Method Investments [Policy Text Block] Investment in Ambler Metals LLC Fair Value of Financial Instruments, Policy [Policy Text Block] Fair value measurement of derivative liability Share-Based Payment Arrangement [Policy Text Block] Stock-based payments New Accounting Pronouncements, Policy [Policy Text Block] New accounting pronouncements Equity Method Investments [Table Text Block] Schedule of equity investment Condensed Balance Sheet [Table Text Block] Schedule of Ambler Metals LLC's Balance Sheet Condensed Statement of Comprehensive Income [Table Text Block] Schedule of Ambler Metals LLC's net loss Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Schedule of accounts payable and accrued liabilities Tabular disclosure of lessee's Right-of-use assets. Lease, Operating Lease, Right-of-use [Table Text Block] Schedule of right-of-use asset Lease, Cost [Table Text Block] Schedule of lease expenses Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Schedule of future minimum payments Schedule of Common Stock Outstanding Roll Forward [Table Text Block] Schedule of common stock outstanding roll forward Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of assumptions used in the pricing model Share-Based Payment Arrangement, Option, Activity [Table Text Block] Summary of the company's stock option plan Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] Summary of information about stock options The Company has a Restricted Share Unit Plan ("RSU Plan") and a Non-Executive Director Deferred Share Unit Plan ("DSU Plan") to provide long-term incentives to employees, officers and directors.. Schedule Of Restricted Share Units and Deferred Share Units plans [Table Text Block] Schedule of restricted share Units and deferred share units plans Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Schedule of supplemental cash flow information Amount committed towards conditional investment receivable from the stock transaction. Conditional Investment From Transaction, Commitment Amount Conditional investment Number of units issuable. Number of Units Issuable Exchange units Price of a single unit of a number of saleable stocks of company. Price Per Unit Price per unit Number of warrants per unit. Number Of Warrants Per Unit Number of warrants per unit Warrants and Rights Outstanding, Term Warrant year Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Each warrant to acquire common shares Class of Warrant or Right, Exercise Price of Warrants or Rights Weighted average exercise price Equity Method Investment [Table] Investment, Name [Axis] Investment, Name [Domain] Represents the 50/50 joint venture named Ambler Metals LLC ("Ambler Metals") with South32 Limited ("South32"). Ambler Metals LLC Ambler Metals LLC Equity Method Investment, Nonconsolidated Investee [Axis] Equity Method Investment, Nonconsolidated Investee [Domain] Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] Equity Method Investment, Nonconsolidated Investee or Group of Investees Schedule of Equity Method Investments [Line Items] Equity Method Investment, Financial Statement, Reported Amounts [Abstract] Carrying value of investment in Ambler Metals Equity Method Investment, Aggregate Cost Joint venture equity contribution Equity Method Investment, Summarized Financial Information [Abstract] Ambler Metals' Balance Sheet and Net Loss n/a Ambler Metals' Balance Sheet Mineral Properties, Net Mineral properties Other Assets Other assets Accounts Payable and Accrued Liabilities. Accounts payable and accrued liabilities Other Liabilities Other liabilities Net Assets Members' equity (total assets less total liabilities) Operating Income (Loss) [Abstract] Cost, Direct Material Project costs Cost, Overhead Corporate costs Other Operating Income (Expense), Net Other items Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive loss Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Domain] Related Party [Member] Ambler Metals Legal Entity [Axis] All Entities [Member] Represents information pertaining to South32 Limited. South32 South32 Represents information pertaining to Trilogy and South32 Limited. Trilogy And South 32 [Member] Trilogy and South32 Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event Limited Partners' Contributed Capital Contribution made to joint venture Equity Method Investment, Ownership Percentage Percentage of ownership Payments for Advance to Affiliate Contributed cash to Ambler Metals to fund its operations Human resources and accounting services in connection with a service agreement. Human Resources And Accounting Services In Connection With A Service Agreement Human resources and accounting services in connection with a service agreement Other Receivables Amount receivable Represents the number of board members. Number of Board Members Number of board members Represents the number of board members appointed by the company. Number Of Board Members Appointed By Company Number of members appointed by Trilogy Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Maximum exposure to loss Subsequent Event [Table] Subsequent Event [Line Items] Accounts Payable, Trade, Current Trade accounts payable Accrued Liabilities, Current Accrued liabilities Employee-related Liabilities Accrued payroll liabilities Lessee, Operating Lease, Remaining Lease Term Remaining lease term Lessee, Operating Lease, Existence of Option to Extend [true false] The amount of lease payment per month. Operating Lease Cost Per Month Operating Lease, Weighted Average Remaining Lease Term Weighted-average remaining lease term Operating Lease, Weighted Average Discount Rate, Percent Weighted-average discount rate Operating Lease, Payments Cash paid for amounts included in the measurement of lease liabilities Operating Lease, Right-of-Use Asset, Periodic Reduction Net amortization Lessee, Lease, Description [Table] Lessee, Lease, Description [Line Items] Operating Lease, Cost Fixed rent expense Variable Lease, Cost Variable rent expense Lease, Cost Total lease expense Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Future minimum payments Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year 2026 Lessee, Operating Lease, Liability, to be Paid, Year One 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two 2028 Lessee, Operating Lease, Liability, to be Paid Total undiscounted lease payments Amount of lessee's effect of discounting on undiscounted obligation for lease payments for operating lease. Lessee, Operating Lease, Liability, Discounted Amount Effect of discounting Amount of present value of lease payments recognized as lease liability. Present Value of Lease Payments Recognized as Lease Liability Present value of lease payments recognized as lease liability Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Represents information pertaining to employees, consultants and directors. Employees, consultants and directors Equity Option [Member] Stock option Represents information pertaining to Restricted Share Units and Deferred Share Units. Restricted Share Units and Deferred Share Units [Member] RSUs and DSUs Financial Instrument [Axis] Financial Instruments [Domain] Non-Vested Options Nonvested Options Unvested stock options Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share capital Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures Number of options, Granted Stock options granted Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted-average exercise price Weighted average exercise price, Granted Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Stock options granted, expiration period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Stock options granted, weighted average fair value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Balance - end of period, number of options Balance - beginning of the year, number of options Number of outstanding options Non-vested stock options outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Balance - end of period, weighted average exercise price Balance - beginning of the year, weighted average exercise price Weighted average exercise price outstanding Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Stock option expense not yet recognized Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Period for recognition of stock compensation expense Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted average exercise price, Exercised Stock options granted, weighted average exercise price Amount reclassified from additional paid-in capital to common stock upon the exercise of stock options during the reporting period. Share-Based Compensation Arrangement by Share-Based Payment Award, Reclassification From Additional Paid In Capital To Common Stock Upon Exercise Of Options Amount reclassified from additional paid-in capital related to stock-based compensation to common stock Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Aggregate intrinsic value, vested options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Aggregate intrinsic value, options exercised Sale of Stock, Number of Shares Issued in Transaction Number of shares, conversion Represents the maximum aggregate offering amount of common shares authorized to be issued under an at-the-market (ATM) equity distribution program, as governed by a distribution agreement with agents. ATM Equity Program Authorized Amount Equity distribution program, aggregate offering amount Stock, Class of Stock [Table] Class of Stock [Line Items] Share capital Common Stock, Shares, Outstanding Ending balance, Number of shares outstanding Beginning balance, Number of shares Represent the value of ascribed value common shares. Ascribed Value Common Shares Ending balance, Ascribed value Beginning balance, Ascribed value Restricted Share Units Issued On Vesting Of Restricted Share Units Shares issued from Restricted Share Units, Ascribed value Proceeds from Issuance of Common Stock Gross proceeds Shares Issued, Price Per Share Average price per share Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Risk-free interest rates Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Exercise Price Exercise price Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Expected life Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected dividends Stock options Share-Based Payment Arrangement, Option, Exercise Price Range [Table] Exercise Price Range [Axis] Exercise Price Range [Domain] Range 1 Range One [Member] $0.59 to $1.00 Range 2 Range Two [Member] $1.01 to $2.00 $1.51 to $2.00 $2.01 to $3.00 Range Four $2.01 to $2.50 $3.01 to $7.85 Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items] Share capital Share-Based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit Exercise price lower range limit Share-Based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit Exercise price upper range limit Weighted average years to expiry Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Weighted average years to expiry Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Number of exercisable options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Weighted average exercise price exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares Number of unvested options Restricted Stock Units (RSUs) [Member] RSUs Represents information pertaining to Deferred Share Units. Deferred Share Units [Member] DSUs Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Balance - end of the period Balance - beginning of the period Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Granted Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Settled in common shares Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 3 [Member] Level 3 Measurement Frequency [Axis] Measurement Frequency [Domain] Fair Value, Recurring [Member] Recurring Measurement Input Type [Axis] Measurement Input Type [Domain] Measurement Input, Share Price [Member] Common stock price Measurement Input, Price Volatility [Member] Volatility Measurement Input, Risk Free Interest Rate [Member] Risk-free rate Measurement input using probability of project completion. Measurement Input, Project Completion [Member] Project Completion Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair value accounting Number of financial institutions in which majority of the uninsured cash held during the period. Number Of Financial Institutions, Uninsured Cash Held Number of financial institutions, uninsured cash held Derivative Liability, Measurement Input Measurement input Derivative, Loss on Derivative Fair value loss Derivative, Loss, Statement of Income or Comprehensive Income [Extensible Enumeration] The percentage of a reasonably possible change in an unobservable input used in fair value measurement of derivative liabilities. Derivative Liability, Percentage Of Reasonably Possible Change In Unobservable Input percentage of change in an unobservable input The amount of increase (decrease) in the fair value measurement of derivative liabilities due to a reasonably possible change in an unobservable input. Derivative Liability, Increase (Decrease) In Fair Value Measurement Due To Reasonably Possible Change In Unobservable Input Gain or loss on the derivative liability, change on unobservable input Amount of cash received for interest. Interest Received Interest received